the answer is option D .size
Explanation:
Incinerators are not helpful in reducing pollution as they produce a lot of ash and smoke so it increases the air pollution by burning of waste.
Solar and wind energy are the clean source of energies replacing the fuels. Catalytic converters reduce the air pollution from the exhaust fumes of vehicles.
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The stroma of a chloroplast
Energy declines as one climbs up the food chain because energy is wasted as metabolic heat when animals from one trophic level are devoured by species from the next. This causes the presence of only a few organisms at the top level of energy pyramid.
<h3>What is ecological pyramid?</h3>
A graphical representation of the biomass at each trophic level in the given environment is known as an ecological pyramid.
Energy declines as one climbs up the food chain because energy is wasted as metabolic heat when animals from one trophic level are devoured by species from the next.
Thus, this causes the presence of only a few organisms at the top level of energy pyramid.
For more details regarding energy pyramid, visit:
brainly.com/question/2515928
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